Use This guidebook to pick the suitable measurement to your Pet. Evaluate across widest Section of the paw when bearing body weight. If involving measurements, dimensions down. Puppies may have greater entrance paws than rear paws - evaluate all paws. My Pet loves these booties and when I see that https://www.wanderlustprogear.com/products/4pcs-set-waterproof-pet-dog-shoes-anti-slip-rain-boots-for-small-cat-dogs-foot-cover-footwear-puppy-booties-pet-paw-accessories